[TYPO3-dev] list module hangs at 1 million records
Franz Holzinger
franz at fholzinger.com
Tue Jul 22 22:28:18 CEST 2008
Dmitry Dulepov [typo3] a écrit :
> A quick question: how long does it take to run a query on such a long
> table with "WHERE pid=1 AND deleted=0 ORDER BY crdate DESC LIMIT 21,20"?
31.4553 sec. on a dual core AMD Athlon 3700 with phpMyAdmin.
> May be [missing] indexes is a problem? Try adding composite index on pid
> and sorting column (sorting column last!) and see if it helps.
There are already keys:
PRIMARY PRIMARY 1665226 uid
parent INDEX pid
Now I create an index on deleted.
This has unfortunately timed out in phpMyAdmin :-( .
So you cannot even create an index afterwards with this tool.
Franz
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